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參數資料
| 型號： | SC11228CSKTRT |
| 元件分類： | 固定正電壓單路輸出LDO穩壓器 |
| 英文描述： | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.275 V DROPOUT, PDSO6 |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數： | 1/5頁 |
| 文件大小： | 56K |
| 代理商： | SC11228CSKTRT |
1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
150mA ULTRA LOW DROPOUT
MICROPOWER LINEAR REGULATOR
SC112
PRELIMINARY - November 17, 1999
1
DESCRIPTION
The SC112 is a 150mA ultra low dropout linear
regulator with a built in CMOS/TTL logic level enable,
designed specifically for battery powered applications
where low quiescent current and low dropout are
critical for battery longevity.
The SC112 uses a Semtech proprietary internal PNP
device for the pass element, providing a low dropout
voltage of 130mV at a load of 60mA.
The output noise is reduced to 30V (typical) by
placing a very low leakage 10nF capacitor on pin 3
(noise bypass).
Each device contains a bandgap reference, error
amplifier, PNP pass element, thermal and current
limiting circuitry and resistor divider network for setting
output voltage.
The SC112 is packaged in a six lead SOT-23 surface
mount package for a very small footprint and it requires
only a 1F capacitor on the output and a 0.01F on the
bypass pin for a minimum number of external
components.
FEATURES
Low dropout voltage
CMOS/TTL compatible control switch
Very low quiescent current 60A (ON, no load)
Internal thermal shutdown
Short circuit protection
Very low standby current 0.1A maximum (OFF)
Low noise with external bypass capacitor
Industrial temperature range
APPLICATIONS
Battery powered systems
Cellular telephones
Cordless telephones
Pagers, personal digital assistants
Portable instrumentation
Low voltage systems
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DEVICE
(1)(2)
PACKAGE
SC112XXCSK
6 pin SOT-23
ORDERING INFORMATION
Notes:
(1) Where XX denotes voltage options. Available volt-
ages are: 2.5V, 2.8V, 3.0V, 3.3V, 3.6V, 3.8V, 4.0V and
5.0V. Contact factory for additional voltage options.
(2) Add suffix ‘TR’ for tape and reel packaging.
TYPICAL APPLICATION CIRCUIT
VIN
VO
EN
U1
SC112
1
2
3
4
5
6
EN
GND
BYP
VO
GND
VIN
C1
10nF
C2
1uF
C3
1uF
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相關代理商/技術參數 |
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| SC11230CSK.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA ULTRA LOW DROPOUT MICROPOWER LINEAR REGULATOR |
| SC11233CSK.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA ULTRA LOW DROPOUT MICROPOWER LINEAR REGULATOR |
| SC11236CSK.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA ULTRA LOW DROPOUT MICROPOWER LINEAR REGULATOR |
| SC11238CSK.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA ULTRA LOW DROPOUT MICROPOWER LINEAR REGULATOR |
| SC11240CSK.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA ULTRA LOW DROPOUT MICROPOWER LINEAR REGULATOR |
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